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147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v2012 |
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| \\ / A nd | Website: www.openfoam.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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object blockMeshDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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scale 1;
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verbose no;
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// Geometric parameters
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outerRadius 1;
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innerRatio 0.7;
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// Divisions in x/y/z and radial directions. Can be unequal.
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nx 10;
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ny $nx;
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nz $nx;
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nr 6;
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geometry
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{
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sphere
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{
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type sphere;
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origin (0 0 0);
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radius $outerRadius;
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}
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}
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// Outer box size
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vo #eval{ sqrt($outerRadius/3) };
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// Inner box size - % of overall dimension
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vi #eval{ $vo * $innerRatio };
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vertices
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(
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// Inner block
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(-$vi -$vi -$vi)
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( $vi -$vi -$vi)
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( $vi $vi -$vi)
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(-$vi $vi -$vi)
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(-$vi -$vi $vi)
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( $vi -$vi $vi)
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( $vi $vi $vi)
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(-$vi $vi $vi)
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// Outer blocks
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(-$vo -$vo -$vo)
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( $vo -$vo -$vo)
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( $vo $vo -$vo)
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(-$vo $vo -$vo)
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(-$vo -$vo $vo)
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( $vo -$vo $vo)
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( $vo $vo $vo)
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(-$vo $vo $vo)
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);
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blocks
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(
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hex (0 1 2 3 4 5 6 7) ($nx $ny $nz) grading (1 1 1) // Inner block
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// Outer blocks
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hex ( 8 0 3 11 12 4 7 15) ($nr $ny $nz) grading (1 1 1) // x-min
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hex ( 1 9 10 2 5 13 14 6) ($nr $ny $nz) grading (1 1 1) // x-max
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hex ( 8 9 1 0 12 13 5 4) ($nx $nr $nz) grading (1 1 1) // y-min
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hex ( 3 2 10 11 7 6 14 15) ($nx $nr $nz) grading (1 1 1) // y-max
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hex ( 8 9 10 11 0 1 2 3) ($nx $ny $nr) grading (1 1 1) // z-min
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hex ( 4 5 6 7 12 13 14 15) ($nx $ny $nr) grading (1 1 1) // z-max
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);
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edges
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(
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// Outer blocks
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arc 8 9 origin (0 0 0)
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arc 10 11 origin (0 0 0)
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arc 14 15 origin (0 0 0)
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arc 12 13 origin (0 0 0)
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arc 8 11 origin (0 0 0)
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arc 9 10 origin (0 0 0)
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arc 13 14 origin (0 0 0)
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arc 12 15 origin (0 0 0)
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arc 8 12 origin (0 0 0)
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arc 9 13 origin (0 0 0)
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arc 10 14 origin (0 0 0)
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arc 11 15 origin (0 0 0)
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// Inner block - flattened by factor 1.1
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arc 0 1 origin 1.1 (0 0 0)
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arc 2 3 origin 1.1 (0 0 0)
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arc 6 7 origin 1.1 (0 0 0)
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arc 4 5 origin 1.1 (0 0 0)
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arc 0 3 origin 1.1 (0 0 0)
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arc 1 2 origin 1.1 (0 0 0)
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arc 5 6 origin 1.1 (0 0 0)
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arc 4 7 origin 1.1 (0 0 0)
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arc 0 4 origin 1.1 (0 0 0)
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arc 1 5 origin 1.1 (0 0 0)
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arc 2 6 origin 1.1 (0 0 0)
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arc 3 7 origin 1.1 (0 0 0)
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);
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faces
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(
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// Outer blocks
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project ( 8 12 15 11) sphere // x-min
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project ( 9 10 14 13) sphere // x-max
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project ( 8 9 13 12) sphere // y-min
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project (11 15 14 10) sphere // y-max
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project ( 8 11 10 9) sphere // z-min
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project (12 13 14 15) sphere // z-max
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);
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boundary
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(
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walls
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{
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type wall;
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faces
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(
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( 8 12 15 11) // x-min
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( 9 10 14 13) // x-max
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( 8 9 13 12) // y-min
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(11 15 14 10) // y-max
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( 8 11 10 9) // z-min
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(12 13 14 15) // z-max
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);
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}
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);
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// ************************************************************************* //
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